.logo img{
  margin: 2vw 0 2vw 46vw;
  width: 8vw;
}
.main-content {
  position: relative;
  z-index: 10;
  overflow: hidden;
  margin-left: calc(50% - 200px);
  padding: 3vw;
  width: 400px;
  border-radius: 5px;
  background-color: #1c152e;
  box-shadow: 0px 0px 4px 2px rgba(255, 255, 255, .3);
  color: #fff;
}
.main-content::before {
  content: '';
  position: absolute;
  left: 0;
  z-index: 5;
  width: 100%;
  height: 100%;
  margin-top: -3vw;
  padding: 3vw;
  border-radius: 5px;
  background-color: rgb(255, 255, 255, .1);
}
.main-content > * {
  position: relative;
  z-index: 20;
}
ul.tab {
  position: relative;
  width: auto;
}
ul.tab li{
  display: inline-block;
  padding-right: 15px;
  font-size: 18px;
  cursor: pointer;
}
ul.tab .underline {
  position: absolute;
  left: 0;
  width: 72px;
  height: 2px;
  background-color: #0f9cf5;
}
form {
  padding: 30px 0;
}
form > div {
  display: flex;
  justify-content: space-between;
  margin: 10px 0;
}
input {
  width: 100%;
  padding: 5px 10px;
  margin: 5px 0;
  line-height: 35px;
  font-size: 16px;
}
input[type='checkbox'] {
  width: auto;
  margin-right: 5px;
}
.login, .register {
  display: none;
}
.active {
  display: block !important;
}
button {
  margin: 5px 0;
}
.forget {
  cursor: pointer;
}
.forget-page {
  position: fixed;
  left: calc(50% - 300px);
  top:20%;
  z-index: 999;
  padding: 20px;
  overflow: hidden;
  width: 600px;
  border-radius: 5px;
  background-color: #1c152e;
  box-shadow: 0px 0px 4px 2px rgba(255, 255, 255, .3);
  color: #fff;
}
.get-code, .title {
  display: flex;
  justify-content: space-between;
}
.get-code > input {
  display: inline-block;
  width: 80%;
}
.get-code > button{
  width: 20% !important;
  height: 50px !important;
}
#close {
  cursor: pointer;
}